Formulas

Question 1

Cost Variance

Answer 1

CV is the difference between Earned Value and Actual Cost

CV = EV - AC

Question 2

Schedule Variance

Answer 2

SV is the difference between Earned Value and the Planned Value

SV = EV - PV

Question 3

Cost Performance Index

Answer 3

CPI is the ratio of the earned value to the actual cost

CPI = EV/AC

Question 4

Schedule Performance Index

Answer 4

SPI is the ratio of earned value to the planned value

SPI = EV/PV